private static final int BUF_SIZE = 4096;

    /**
     * Creates a {@link FileInputStream}.
     *
     * @param file the file (must not be {@literal null})
     * @return a {@link FileInputStream} to read from the file
     * @see FileInputStream#FileInputStream(File)
     */
    public static FileInputStream create(final File file) {
        assertArgumentNotNull("file", file);

        try {

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;

        try {
            final String filename = System.getProperty("jcifs.properties");
            if (filename != null && filename.length() > 1) {

                try (FileInputStream in = new FileInputStream(filename)) {
                    p.load(in);
                }
            }

        } catch (final IOException ioe) {
            log.error("Failed to load config", ioe); //$NON-NLS-1$
        }

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.thumbnail;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.util.Map;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.app.web.base.FessSearchAction;
import org.codelibs.fess.util.DocumentUtil;
import org.lastaflute.web.Execute;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.net.URL;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;

import org.codelibs.core.exception.IORuntimeException;

/**

        assertArgumentNotNull("in", in);
        assertArgumentNotNull("out", out);

        if (in instanceof FileInputStream) {
            if (out instanceof FileOutputStream) {
                return copyInternal((FileInputStream) in, (FileOutputStream) out);
            }
            return copyInternal((FileInputStream) in, wrap(out));
        }
        if (out instanceof FileOutputStream) {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import static org.codelibs.core.stream.StreamUtil.split;

import java.io.FileInputStream;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.security.KeyStore;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;